Company lists · Data refreshed September 2026

Top 25 Accounting firm operational efficiency consultants worldwide

Name: Accounting firm operational efficiency consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 30,279 companies tracked

RevenueBase identified 30,279 accounting firm operational efficiency consultants worldwide as of September 2026 and tracks 267,828 professional contacts across them, including 71,023 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers accounting firm operational efficiency consultants worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026. Country and city lists for accounting firm operational efficiency consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review

30,279Companies

267,828Contacts tracked

71,023Verified emails

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The 25 largest accounting firm operational efficiency consultants worldwide

Ranked by team size

Top 25 of 30,279 accounting firm operational efficiency consultants worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firm operational efficiency consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Kpmg France	Indirect evidence	Paris La Défense, FranceHQ checked Sep 27, 2026	10001+	5,839 contacts →
	Indirect evidence “Leader de l'audit, du conseil et de l'expertise comptable, KPMG France est membre de KPMG International, réseau de cabinets indépendants exerçant dans 155 pays.” Source: RevenueBase Database · checked Sep 27, 2026
2	Eide Bailly LLP	Partial evidence	United StatesHQ checked Sep 27, 2026	1,001-5,000	3,643 contacts →
	Partial evidence “We’re Eide Bailly (I’d bay-lee), a business advisory, accounting and technology firm built with our clients in mind.” Source: RevenueBase Database · checked Sep 27, 2026
3	Withum	Partial evidence	Princeton, NJ, United StatesHQ checked Sep 27, 2026	1,001-5,000	3,326 contacts →
	Partial evidence “Withum is a forward-thinking, technology-driven advisory and accounting firm, helping clients to Be in a Position of Strength in today’s modern business landscape.” Source: RevenueBase Database · checked Sep 27, 2026
4	BDO Brazil	Indirect evidence	Sp, BrazilHQ checked Sep 27, 2026	1,001-5,000	1,791 contacts →
	Indirect evidence “Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.” Source: RevenueBase Database · checked Sep 27, 2026
5	Grant Thornton Sweden	Indirect evidence	Stockholm, SwedenHQ checked Sep 27, 2026	1,001-5,000	1,724 contacts →
	Indirect evidence “Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.” Source: RevenueBase Database · checked Sep 27, 2026
6	Beierholm	Indirect evidence	Aalborg, DenmarkHQ checked Sep 27, 2026	1,001-5,000	1,568 contacts →
	Indirect evidence “Beierholm is the preferred auditing and consulting company for small and medium-sized companies in Denmark.” Source: RevenueBase Database · checked Sep 27, 2026
7	Riveron	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 27, 2026	1,001-5,000	1,160 contacts →
	Indirect evidence “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Source: RevenueBase Database · checked Sep 27, 2026
8	Kirtane & Pandit	Partial evidence	Pune, IndiaHQ checked Sep 27, 2026	1,001-5,000	1,152 contacts →
	Partial evidence “In today's complex and challenging business world, Accounting, Auditing & Consulting Firms play a significant role in managing these complexities/challenges and in turning them…” Source: RevenueBase Database · checked Sep 27, 2026
9	W3global	Partial evidence	Frisco, TX, United StatesHQ checked Sep 27, 2026	501-1,000	1,149 contacts →
	Partial evidence “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Source: RevenueBase Database · checked Sep 27, 2026
10	Rubinbrown LLP	Indirect evidence	Saint Louis, MO, United StatesHQ checked Sep 27, 2026	501-1,000	1,056 contacts →
	Indirect evidence “RubinBrown provides unmatched service to closely held and publicly traded companies in specialized market sectors as well as non-profit and public sector organizations.” Source: RevenueBase Database · checked Sep 27, 2026
11	PKF Sridhar & Santhanam LLP	Indirect evidence	Chennai, IndiaHQ checked Sep 27, 2026	501-1,000	916 contacts →
	Indirect evidence “Established in 1978, PKF Sridhar & Santhanam LLP firm of Chartered Accountants, carry the legacy of vast experience and varied exposure in the industry.” Source: RevenueBase Database · checked Sep 27, 2026
12	Bernhoeft	Indirect evidence	Recife, BrazilHQ checked Sep 27, 2026	501-1,000	833 contacts →
	Indirect evidence “A Bernhoeft Contadores é uma empresa de atuação nacional que oferece terceirização de serviços contábeis para clientes de diversos portes e segmentos.” Source: RevenueBase Database · checked Sep 27, 2026
13	Orcom Cabinet D'expertise Comptable, Audit ET Conseil	Indirect evidence	Orléans, FranceHQ checked Sep 27, 2026	1,001-5,000	800 contacts →
	Indirect evidence “Pour ORCOM, le conseil est un état d'esprit.” Source: RevenueBase Database · checked Sep 27, 2026
14	PKF Arsilon	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	501-1,000	765 contacts →
	Indirect evidence “Ensemble, changeons la donne.” Source: RevenueBase Database · checked Sep 27, 2026
15	Clark Schaefer Hackett	Partial evidence	Dayton, OH, United StatesHQ checked Sep 27, 2026	501-1,000	683 contacts →
	Partial evidence “Clark Schaefer Hackett is more than an accounting and advisory firm; we’re striving to be your most valued advisor.” Source: RevenueBase Database · checked Sep 27, 2026
16	Lodha & CO	Partial evidence	Mumbai, IndiaHQ checked Sep 27, 2026	201-500	641 contacts →
	Partial evidence “Lodha & Co LLP is one of the leading home grown accounting and consulting firms in India.” Source: RevenueBase Database · checked Sep 27, 2026
17	Varma & Varma, Chartered Accountants	Indirect evidence	Kochi, IndiaHQ checked Sep 27, 2026	501-1,000	624 contacts →
	Indirect evidence “VARMA & VARMA, the firm of practising Chartered Accountants was founded on 17th June 1935 with its first office at Kochi (Cochin) in South India.” Source: RevenueBase Database · checked Sep 27, 2026
18	Talati And Talati LLP Chartered Accountants	Partial evidence	Ahmedabad, IndiaHQ checked Sep 27, 2026	201-500	578 contacts →
	Partial evidence “Talati & Talati LLP is a full-service accounting, tax, financial, and management advisory firm.” Source: RevenueBase Database · checked Sep 27, 2026
19	BDO Israel	Partial evidence	Tel Aviv, IsraelHQ checked Sep 27, 2026	1,001-5,000	574 contacts →
	Partial evidence “BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.” Source: RevenueBase Database · checked Sep 27, 2026
20	Bennett Thrasher	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	201-500	558 contacts →
	Indirect evidence “Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.” Source: RevenueBase Database · checked Sep 27, 2026
21	Julhiet Sterwen	Partial evidence	Neuilly Sur Seine, FranceHQ checked Sep 27, 2026	501-1,000	551 contacts →
	Partial evidence “julhiet sterwen is a key player in management, human resources and operational consulting.” Source: RevenueBase Database · checked Sep 27, 2026
22	DLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 27, 2026	201-500	546 contacts →
	Partial evidence “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Source: RevenueBase Database · checked Sep 27, 2026
23	Countus	Indirect evidence	Zwolle, NetherlandsHQ checked Sep 27, 2026	501-1,000	526 contacts →
	Indirect evidence “Countus is een accountants- en adviesorganisatie die voor haar klanten, medewerkers en stakeholders streeft naar duurzaam succes.” Source: RevenueBase Database · checked Sep 27, 2026
24	Knav India	Partial evidence	Mumbai, IndiaHQ checked Sep 27, 2026	51-200	510 contacts →
	Partial evidence “KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…” Source: RevenueBase Database · checked Sep 27, 2026
25	Mazars In The UK	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	1,001-5,000	505 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: accounting firm operational efficiency consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names accounting firm operational efficiency consultants.
Partial evidence: Its own public description names part of accounting firm operational efficiency consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name accounting firm operational efficiency consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 30,279 accounting firm operational efficiency consultants worldwide

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Accounting firm operational efficiency consultants worldwide at a glance

As of Sep 27, 2026

26.5%Verified-email coverage

8.8Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · Sao Paulo

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

19,631

11-50

8,600

51-200

1,548

201-500

255

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting firm operational efficiency consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for accounting firm operational efficiency consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “accounting firm operational efficiency consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting firm operational efficiency consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among accounting firm operational efficiency consultants, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 71,023 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Accounting firm operational efficiency consultants by location

120 lists · largest first

Every Accounting firm operational efficiency consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting firm operational efficiency consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting firm operational efficiency consultants are there worldwide?

RevenueBase identified 30,279 accounting firm operational efficiency consultants worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kpmg France, headquartered in La Defense, tops this list with the largest team on record.

Which country has the most accounting firm operational efficiency consultants?

The United States leads with 5,408 companies, followed by Brazil (5,088) and France (1,749). Every accounting firm operational efficiency consultants list by country and city is linked on this page.

Which city has the most accounting firm operational efficiency consultants?

Sao Paulo leads with 870 headquartered companies, followed by Paris (349) and London (289).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 71,023 verified decision-maker contacts tracked across these 30,279 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.